The process by which individuals that are better suited to their environment survive and reproduce.
What is natural selection or survival of the fittest?
When two organisms are fighting for limited resource?
What is competition?
What controls everything in a cell?
What is the nucleus?
Word for any living thing.
What is organism?
What is the purpose of a microscope?
to see a microscopic world that cannot be seen with the naked eye.
the community of organisms and the abiotic factors is called the ____________________
ecosystem
An organism that can make its own food.
What is an autotroph or producer?
What system involves the esophagus, mouth, and diaphragm?
What is respiratory?
The powerhouse of the cell
What are mitochondria?
Inside a paramecium you can see several kinds of cell structures called ____________________.
Organelles
The process of cell division for body cells
What is mitosis?
all living organisms are made of many ___________.
Cells
A very thin blood vessel. connects the arteries and veins, where blood exchange happens
What is the a capillary
DNA stands for ____________________
deoxyribonucleic acid
Which organ absorbs water from food and diffuses it into the bloodstream?
large intestine
Converting water and carbon dioxide into oxygen and glucose
What is photosynthesis?
Organs that work together to perform a function
What is an organ system?
The jellylike "soup" that fills most of the cell
What is cytoplasm?
Where photosynthesis takes place in a plant cell
What is the chloroplast?
What are the four trophic levels called?
What are producers, primary consumers, secondary consumers, tertiary consumers
Prokaryotes are________________
one celled organisms that do not have a nucleus